Given a text, write a compressed version of it in a single sentence.

Across from the main entrance of Schloß Charlottenburg lie three excellent museums, while two additional can be found within the walls of the picturesque palace itself. A highly enjoyable day can be spent exploring the museums and the beautiful rooms and grounds of the Schloß.
An enjoyable day can be spent exploring three excellent museums, that lie across from the main entrance of Schloß Charlottenburg.